Home / 2,838.02-3,915.39-2,093.75

Finding the Fourth Proportional to 2,838.02, 3,915.39 and 2,093.75

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Solution

The fourth proportional to 2,838.02, 3,915.39 and 2,093.75 is: 2,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.02 : 3,915.39 = 2,093.75 : x
  2. Step 2: Convert to fraction form
    2,838.02/3,915.39 = 2,093.75/x
  3. Step 3: Cross multiply
    2,838.02x = 3,915.39 × 2,093.75
  4. Step 4: Simplify right side
    2,838.02x = 8,197,847.81
  5. Step 5: Solve for x
    x = 8,197,847.81/2,838.02
  6. Step 6: Final answer
    x = 2,888.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.